2220031640

素因数分解:

$2^3\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{38569}}^1$

素因数の和:40019

約数の個数: 32

約数和(自身を含む): 4998672000

約数和(自身を除く): 2778640360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1439, 2878, 5756, 7195, 11512, 14390, 28780, 38569, 57560, 77138, 154276, 192845, 308552, 385690, 771380, 1542760, 55500791, 111001582, 222003164, 277503955, 444006328, 555007910, 1110015820, 2220031640]

約数ペア:

[(1, 2220031640), (2, 1110015820), (4, 555007910), (5, 444006328), (8, 277503955), (10, 222003164), (20, 111001582), (40, 55500791), (1439, 1542760), (2878, 771380), (5756, 385690), (7195, 308552), (11512, 192845), (14390, 154276), (28780, 77138), (38569, 57560)]